ATI Radeon HD 4250 vs ATI Radeon HD 5770 X2

VS

ATI Radeon HD 4250

ATI Radeon HD 5770 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4250 and 1024MB VRAM Radeon HD 5770 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 X2 's Advantages

Released 1 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 6.336GB/s)

760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4250

0.048 TFLOPS

Radeon HD 5770 X2 +2733%

1.36 TFLOPS

Radeon HD 4250

VS

Radeon HD 5770 X2

Graphics Card

Feb 2009

Release Date

Oct 2010

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.336GB/s

Bandwidth

76.80GB/s

Render Config

2

Compute Units

10

-

40

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

13.60 GPixel/s

2.376 GTexel/s

Texture Rate

34.00 GTexel/s

-

47.52 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

25W

TDP

Unknown

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

RV620

GPU Name

Juniper

RV620 LE

GPU Variant

Juniper XT (215-0754013)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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